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Samantha had to add this group of numbers (47 + 56 + 53), but she wanted to add them as quickly and as easily as possible. Here is how she decided to add the numbers:

47 + 56 + 53 = (47 + 53) + 56 = 100 + 56 = 156.

Which number property allowed her to add the numbers in this way?

the Associative Property of Addition
the Commutative Property of Addition
the Identity Property of Addition

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Answer:

The answer is the commutative property of addition

I know because I answered this question.

User PresleyDias
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The commutative property of addition
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